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<br /> WATERWORKS SYSTEM
<br /> -he City of San Marcos receives its total water supply from four existing wells tapping the
<br /> Edwards Aquifer. The system is served from two pressure planes, the upper pressure plane
<br /> serving the area above the Balcones Escarpment with the lower pressure plane serving the
<br /> remainder of the City. The City's waterworks system is comprised of th"ee pump stations,
<br /> two ground storage tanks and three elevated storage tanks. The system has a peak pumping
<br /> capability of 9.5 million gallons per day, 9.36 million gallons of storage capacity and
<br /> maintains an average pressure of approximately 45 p.s.i.
<br /> Tab 1 e I
<br /> Past Consumption of Water
<br /> Average Daily Maximum Day's
<br /> Use in Use in T ota 1
<br /> Year Gallons (0QQ2l Gallons (OOO's) (ODD's)
<br /> 1973 3,370 6,645 1,245,452
<br /> 1974 3,350 9,606 1,223,571
<br /> 1975 4,910 11 ,964 1,793,210
<br /> 1976 3,860 7,903 1,409,292
<br /> 1977 4,170 7,792 1,525,220
<br /> 1978 4,330 8,676 1 ,582,186
<br /> 1979 4,280 7,756 1,562,899
<br /> 1980 4,700 7,712 1,716,090
<br /> 1981 4,680 7,638 1,709,151
<br /> 1982 5,050 8,676 1 ,844,871
<br /> Table II
<br /> Existing Well Characteristics
<br /> CaPacitr ) Year
<br /> Well No. Location ~ MGD Motor H.P. Dri 11 ed
<br /> 1 Spring Lake 1,500 2.16 30 1941
<br /> 2 Spring Lake 1,500 2.16 25 1954
<br /> 3 Spring Lake Not in Service -- 1914
<br /> 4 Matthews Street 1,300 1. 87 75 1966
<br /> 5 Matthews Street 2,200 2J1 125 1970
<br /> 6,500 9.36
<br /> Table III
<br /> Pump Station's Characteristics
<br /> Pump Capacity
<br /> Pump Station ...l:!2.:.- ~ ~ Motor H.P.
<br /> Spring Lake 1 1,780 2.56 125
<br /> 2 750 1. 08 60
<br /> 3 1,600 2.30 125
<br /> 4 2,000 2.88 125
<br /> 6,130 8.82
<br /> Midway 1 600 0.86 30
<br /> 2 600 0.86 30
<br /> 1,200 1.72
<br /> Comanche 1 600 0.86 30
<br /> 2 1,200 1.72
<br /> 1,800 2.58
<br /> Future Water Improvements '.. The April 1984 revenue bond election will provide funds for an
<br /> additional water well and a ground storage tank. Additional funds will be provided for addi-
<br /> tional transmission lines to insure adequate pressurization to meet the service demands of
<br /> future growth as well as to continue to meet the minimum pressurization requirement for State
<br /> approved water system.
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